EXTREME slowing windows 7 professional 64-bit response time, possibly problem driver network adapter? Help, please!

I have Windows 7 Professional 64 bit installed on a computer, I built

Data sheet:
Processor Intel i5 750 (stock clocked & stock cooler)
Card mother Gigabyte GA-P55A-UD3P
G. Skill Rip jaw DDR3 1333 RAM (standard timings)
Western Digital 640 GB SATA HD
Card EVGA 8800 GS SC Video
Creative Sound Blaster Audigy SE sound card
Powersupply Coairsair 650W
Samsung SATA DVD writer

My problem is, after I started and had my computer running for a significant amount of time (30 minutes to an hour), I loose full internet connectivity and the response time for any action I'm trying of the preform is from 30 seconds to 5 minutes.

This problem occurs almost every time my computer is started for a significant amount of time, and it's extremely annoying.

First Firefox, Google chrome, or internet Explorer stops receivers internet connectivity (because it is not sailing to any web page) but still related reports.

(during this time and on my computer don't report any anomaly, IE CPU utilization / ram uses / temperature are amounts all acceptable)

I usually try to close my browser (s) web, but its reports "not responding" and I cannot close or even end the process or the process tree, so it runs as a process. From there a program or a click I do I try to run either doesn't work or takes 30 seconds to 5 minutes to register if they register at all.

Programs I all ready have running continue to run, IE Vuze, WindowsMP, Zune software, openoffice. But once that I close them I can't reopen.

Any program I try to open starts a process in the Task Manager but it not to start a program or actually run, and I can't used to finish the tasks that do not work properly.

If I try to shut down windows, it takes a minute or so to begin to disconnect, then he sits on the "logging" off the screen until I use the power switch to kill the system.

I suspect that it may be a problem from my network card driver (Controller Realtek PCIe GBE Family, latest version downloaded directly from the Gigabyte website for my motherboard) because the question almost always starts when my internet stops working. However, this may be 2 combined numbers.

I had this problem and I thought it was because of an installation of bad windows 7 so I erased the hard drive and did a complete new installation, but the problem is back!

I changed my routers settings to give me a fixed IP address to dismiss questions here. All the other computers in my House have access the internet without interruption during my problems. And no other computer in my house has similar problems.

I reinstalled the network once drivers without success.

I would like to address the downturn extreme Windows 7 after half an hour or so if possible because I have other NICs lying there if the problem comes from the network card.

I'm pretty computer savvy and I've exhausted all my ideas, so any notice are useful! Thank you

OK, so I think that the slow issue is resolved now. I blame intel speedstep, while part of my problem is fixed.

Internet connection problems still remain.

I ran my computer in safe mode with network for about 2 hours. When I booted in safe mode, everything was fine, internet connetion worked on download and upload at full power. I let it sit for an hour or two in safe mode and I came back and there is no internet again, as usual. All my browsers (internet explorer, my main browser firefox and chrome) refuse to function / load anything and their work will not end in the Task Manager. The device says it all works and it (network adapter) said I have a connection, but I am squatting me on my browsers or any other uses of the Internet. This test will run on a network interface card that I installed, with drivers. I did him wrong with shooting my motherboard cable network and its software driver port. This new card gives the same result, so I think now I know that this issue has nothing to do with my physical port or its drivers.

The only things I can think that it either now are either:
my router
However, all the other computers in my house (3 of them, 1 win XP), 1 Win 7 64 bit pro, 1 Ubuntu and my Xbox 360 not having this problem and works perfectly

or

Something inside windows 7 that control the browsers or manages connections,
I think it's most likely due to the fact that my browsers have problems in the Task Manager / they do not work properly

All reviews are useful,

Thank you!

Tags: Windows

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